Home / 11,621.23-16,036.63-6,316.00

Finding the Fourth Proportional to 11,621.23, 16,036.63 and 6,316.00

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Solution

The fourth proportional to 11,621.23, 16,036.63 and 6,316.00 is: 8,715.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,621.23 : 16,036.63 = 6,316.00 : x
  2. Step 2: Convert to fraction form
    11,621.23/16,036.63 = 6,316.00/x
  3. Step 3: Cross multiply
    11,621.23x = 16,036.63 × 6,316.00
  4. Step 4: Simplify right side
    11,621.23x = 101,287,299.20
  5. Step 5: Solve for x
    x = 101,287,299.20/11,621.23
  6. Step 6: Final answer
    x = 8,715.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.